ATE58650T1 - Wasserstoff-permeationswand, verfahren zur herstellung derselben und deren verwendung. - Google Patents

Wasserstoff-permeationswand, verfahren zur herstellung derselben und deren verwendung.

Info

Publication number
ATE58650T1
ATE58650T1 AT84110738T AT84110738T ATE58650T1 AT E58650 T1 ATE58650 T1 AT E58650T1 AT 84110738 T AT84110738 T AT 84110738T AT 84110738 T AT84110738 T AT 84110738T AT E58650 T1 ATE58650 T1 AT E58650T1
Authority
AT
Austria
Prior art keywords
manufacture
same
hydrogen permeation
permeation wall
wall
Prior art date
Application number
AT84110738T
Other languages
English (en)
Inventor
Nicolaos Iniotakis
Claus Benedict Von Der Decken
Werner Froehling
Original Assignee
Forschungszentrum Juelich Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Forschungszentrum Juelich Gmbh filed Critical Forschungszentrum Juelich Gmbh
Application granted granted Critical
Publication of ATE58650T1 publication Critical patent/ATE58650T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0069—Inorganic membrane manufacture by deposition from the liquid phase, e.g. electrochemical deposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D59/00—Separation of different isotopes of the same chemical element
    • B01D59/10—Separation by diffusion
    • B01D59/12—Separation by diffusion by diffusion through barriers
    • B01D59/14—Construction of the barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/08—Flat membrane modules
    • B01D63/087—Single membrane modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/501—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion
    • C01B3/503—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion characterised by the membrane
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B4/00—Hydrogen isotopes; Inorganic compounds thereof prepared by isotope exchange, e.g. NH3 + D2 → NH2D + HD
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/02—Treating gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/40—Adsorbents within the flow path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12444—Embodying fibers interengaged or between layers [e.g., paper, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Metallurgy (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Hydrogen, Water And Hydrids (AREA)
AT84110738T 1983-09-08 1984-09-08 Wasserstoff-permeationswand, verfahren zur herstellung derselben und deren verwendung. ATE58650T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3332346A DE3332346A1 (de) 1983-09-08 1983-09-08 Wasserstoff-permeationswand, verfahren zur herstellung derselben und deren verwendung
EP84110738A EP0141176B1 (de) 1983-09-08 1984-09-08 Wasserstoff-Permeationswand, Verfahren zur Herstellung derselben und deren Verwendung

Publications (1)

Publication Number Publication Date
ATE58650T1 true ATE58650T1 (de) 1990-12-15

Family

ID=6208513

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84110738T ATE58650T1 (de) 1983-09-08 1984-09-08 Wasserstoff-permeationswand, verfahren zur herstellung derselben und deren verwendung.

Country Status (6)

Country Link
US (1) US4589891A (de)
EP (1) EP0141176B1 (de)
JP (1) JPS6097025A (de)
AT (1) ATE58650T1 (de)
DE (2) DE3332346A1 (de)
GR (1) GR80169B (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE84985T1 (de) * 1986-05-05 1993-02-15 Virginia Holdings Limited Verfahren zur osmotischen destillation und semipermeable sperren dazu.
GB8902649D0 (en) * 1989-02-07 1989-03-30 Alcan Int Ltd Composite membranes
US5645626A (en) * 1990-08-10 1997-07-08 Bend Research, Inc. Composite hydrogen separation element and module
DE4112231A1 (de) * 1991-04-15 1992-10-22 Klaus Joergens Ultrafiltrationsseparator
EP0592698B1 (de) * 1991-04-15 1995-12-20 Klaus Jörgens Ultrafiltrationsseparator
US5181941A (en) * 1991-12-16 1993-01-26 Texaco Inc. Membrane and separation process
DE4210832C1 (en) * 1992-04-01 1993-07-22 Siemens Ag, 8000 Muenchen, De Determn. of tritium content in radioactive sample opt. contg. other radio-nuclides - by holding sample in container permeable only to hydrogen isotope ions, heating and supplying with inert gas
DE4210831C1 (en) * 1992-04-01 1993-07-22 Siemens Ag, 8000 Muenchen, De Removing tritium from cool trap of liq. metal cooled reactor - resulting in final mixing and storage of tritium water with cement forming concete
US5205841A (en) * 1992-04-03 1993-04-27 Tpc Technologies, Inc. Apparatus and method for extracting hydrogen
US5518833A (en) * 1994-05-24 1996-05-21 Eagle-Picher Industries, Inc. Nonwoven electrode construction
GB9511630D0 (en) * 1995-06-08 1995-08-02 Cdss Ltd Gaseous separation by diffusion
KR0158431B1 (ko) * 1995-06-23 1998-11-16 윤덕용 수소분리용 무기재료막의 제조방법
US7195663B2 (en) * 1996-10-30 2007-03-27 Idatech, Llc Hydrogen purification membranes, components and fuel processing systems containing the same
US6494937B1 (en) 2001-09-27 2002-12-17 Idatech, Llc Hydrogen purification devices, components and fuel processing systems containing the same
US6319306B1 (en) 2000-03-23 2001-11-20 Idatech, Llc Hydrogen-selective metal membrane modules and method of forming the same
US6783741B2 (en) * 1996-10-30 2004-08-31 Idatech, Llc Fuel processing system
US6152995A (en) 1999-03-22 2000-11-28 Idatech Llc Hydrogen-permeable metal membrane and method for producing the same
US6537352B2 (en) * 1996-10-30 2003-03-25 Idatech, Llc Hydrogen purification membranes, components and fuel processing systems containing the same
US6221117B1 (en) 1996-10-30 2001-04-24 Idatech, Llc Hydrogen producing fuel processing system
DE19738513C1 (de) 1997-09-03 1998-11-05 Dbb Fuel Cell Engines Gmbh Verwendung einer Metallmembranfolie aus einer Palladiumlegierung zur Wasserstoffabtrennung
US6152987A (en) * 1997-12-15 2000-11-28 Worcester Polytechnic Institute Hydrogen gas-extraction module and method of fabrication
DE19918499C2 (de) * 1998-04-24 2003-06-26 Karlsruhe Forschzent Verwendung eines Rohres, das eine in Form eines Faltenbalges gewellte innere und äußere Oberfläche aufweist
US6183542B1 (en) * 1998-11-09 2001-02-06 Peter R. Bossard Method and apparatus for purifying hydrogen
US6602325B1 (en) 1999-10-21 2003-08-05 Ati Properties, Inc. Fluid separation assembly
US6835232B2 (en) * 1998-11-10 2004-12-28 Frost Chester B Fluid separation assembly and fluid separation module
US6419726B1 (en) 1999-10-21 2002-07-16 Ati Properties, Inc. Fluid separation assembly and fluid separation module
WO2000027507A1 (en) * 1998-11-10 2000-05-18 Ati Properties, Inc. Hydrogen separation membrane
US6238465B1 (en) * 1998-12-31 2001-05-29 Walter Juda Associates, Inc. Method of producing thin palladium-copper and the like, palladium alloy membranes by solid-solid metallic interdiffusion, and improved membrane
US6596057B2 (en) 1999-03-22 2003-07-22 Idatech, Llc Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same
US6767389B2 (en) * 1999-03-22 2004-07-27 Idatech, Llc Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same
DE10044406A1 (de) * 1999-10-19 2001-07-05 Ford Global Tech Inc Wasserstoff-Separator und Verfahren zu seiner Herstellung
US20060037476A1 (en) * 2001-03-08 2006-02-23 Edlund David J Hydrogen purification devices, components and fuel processing systems containing the same
US6569227B2 (en) * 2001-09-27 2003-05-27 Idatech, Llc Hydrogen purification devices, components and fuel processing systems containing the same
US6916454B2 (en) * 2001-03-30 2005-07-12 Siemens Westinghouse Power Corporation Metal gas separation membrane
US6913736B2 (en) * 2001-03-30 2005-07-05 Siemens Westinghouse Power Corporation Metal gas separation membrane module design
US6967063B2 (en) 2001-05-18 2005-11-22 The University Of Chicago Autothermal hydrodesulfurizing reforming method and catalyst
US6888014B2 (en) * 2001-07-24 2005-05-03 Panagin Pharmaceuticals Inc. Dammarane sapogenins, their use as anti-cancer agents, and a process for producing same
US7001446B2 (en) * 2002-03-05 2006-02-21 Eltron Research, Inc. Dense, layered membranes for hydrogen separation
US20050241477A1 (en) * 2002-03-05 2005-11-03 Mundschau Michael V Hydrogen transport membranes
AU2003220048A1 (en) * 2002-03-05 2003-09-22 Eltron Research, Inc. Hydrogen transport membranes
US6866693B2 (en) * 2002-06-06 2005-03-15 Shuetsutechnica Co., Ltd. Washable air filter for internal combustion engine
JP2006520686A (ja) * 2003-03-21 2006-09-14 ウスター ポリテクニック インスティチュート 中間金属層を有する複合ガス分離モジュール
DE602004016470D1 (de) * 2003-03-21 2008-10-23 Worcester Polytech Inst Verfahren zum beheben von defekten bei der herstellung eines verbundmembran-gastrennungsmoduls
AU2004224371B2 (en) * 2003-03-21 2008-07-31 Worcester Polytechnic Institute Method for fabricating composite gas separation modules
WO2004098751A1 (en) * 2003-05-02 2004-11-18 Worcester Polytechnic Institute Composite gas separation modules having high tamman temperature intermediate layers
US7018446B2 (en) * 2003-09-24 2006-03-28 Siemens Westinghouse Power Corporation Metal gas separation membrane
US7727596B2 (en) * 2004-07-21 2010-06-01 Worcester Polytechnic Institute Method for fabricating a composite gas separation module
TW200629635A (en) * 2004-10-31 2006-08-16 Idatech L L C Hydrogen generation and energy production assemblies
US7601302B2 (en) 2005-09-16 2009-10-13 Idatech, Llc Self-regulating feedstock delivery systems and hydrogen-generating fuel processing assemblies and fuel cell systems incorporating the same
US8021446B2 (en) 2005-09-16 2011-09-20 Idatech, Llc Self-regulating feedstock delivery systems and hydrogen-generating fuel processing assemblies and fuel cell systems incorporating the same
US7972420B2 (en) 2006-05-22 2011-07-05 Idatech, Llc Hydrogen-processing assemblies and hydrogen-producing systems and fuel cell systems including the same
US7939051B2 (en) 2006-05-23 2011-05-10 Idatech, Llc Hydrogen-producing fuel processing assemblies, heating assemblies, and methods of operating the same
WO2008041969A2 (en) * 2006-09-28 2008-04-10 Utc Power Corporation Gas-selective permeable membrane system, and method of its production
US20080210088A1 (en) * 2006-10-23 2008-09-04 Idatech, Llc Hydrogen purification membranes, components and fuel processing systems containing the same
WO2008124062A1 (en) * 2007-04-05 2008-10-16 Worcester Polytechnic Institute Composite structures with porous anodic oxide layers and methods of fabrication
US8262752B2 (en) 2007-12-17 2012-09-11 Idatech, Llc Systems and methods for reliable feedstock delivery at variable delivery rates
US8652239B2 (en) 2010-05-03 2014-02-18 Worcester Polytechnic Institute High permeance sulfur tolerant Pd/Cu alloy membranes
IT1400531B1 (it) * 2010-06-22 2013-06-11 Commissariat Energie Atomique Processo per la detriziazione di soft housekeeping waste e impianto relativo
EP2532421A1 (de) * 2011-06-10 2012-12-12 Süd-Chemie AG Verbundmaterial aus fluorhaltigem Polymer, hydrophoben Zeolith-Partikeln und metallischem Werkstoff
TWI442966B (zh) * 2011-12-16 2014-07-01 Ind Tech Res Inst 多孔基材及無機選擇膜製造方法
JP6486922B2 (ja) 2013-11-13 2019-03-20 サヴァンナ リヴァー ニュークリア ソリューションズ リミテッド ライアビリティ カンパニー トリチウム汚染水を除染するための方法およびシステム
JP6228498B2 (ja) * 2014-03-27 2017-11-08 日立Ｇｅニュークリア・エナジー株式会社 水素排出装置を備える放射性廃棄物収納容器及び水素排出装置
US10476093B2 (en) 2016-04-15 2019-11-12 Chung-Hsin Electric & Machinery Mfg. Corp. Membrane modules for hydrogen separation and fuel processors and fuel cell systems including the same
US11058994B2 (en) 2019-01-18 2021-07-13 Savannah River National Solutions, LLC Tritium cleanup system and method
US11712655B2 (en) 2020-11-30 2023-08-01 H2 Powertech, Llc Membrane-based hydrogen purifiers

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191105691A (en) * 1911-03-07 1912-02-01 Paul Otto Schiementz Improvements in or relating to Nut Tapping Machines.
US2824620A (en) * 1955-09-12 1958-02-25 Universal Oil Prod Co Purification of hydrogen utilizing hydrogen-permeable membranes
LU35155A1 (de) * 1956-05-22
US2924630A (en) * 1957-06-28 1960-02-09 Union Oil Co Fluid diffusion fractionation
NL126633C (de) * 1958-02-24 1900-01-01
US2958391A (en) * 1958-02-24 1960-11-01 Universal Oil Prod Co Purification of hydrogen utilizing hydrogen-permeable membranes
US3244763A (en) * 1960-12-29 1966-04-05 Exxon Research Engineering Co Semi-permeable membrane extraction
US3241298A (en) * 1962-11-26 1966-03-22 Union Carbide Corp Method for making a fine porosity filter element
US3172742A (en) * 1963-03-07 1965-03-09 Hydrogen diffusion process
US3238704A (en) * 1963-03-07 1966-03-08 Engelhard Ind Inc Diffusion purification of gases
DE1252634B (de) * 1963-08-31 1967-10-26 Japan Pure Hydrogen Co , Ltd Yokohama (Japan) Vorrichtung zum Abtrennen reiner Gase durch Diffusion
GB1107811A (en) * 1963-09-20 1968-03-27 Energy Conversion Ltd Improvements in and relating to structures incorporating thin metal membranes
US3469372A (en) * 1965-06-18 1969-09-30 Mitsubishi Gas Chemical Co Hydrogen permeable membrane and hydrogen permeating assembly
US3428476A (en) * 1965-06-22 1969-02-18 Engelhard Min & Chem Method for producing hydrogen diffusion cells
US3447288A (en) * 1965-08-23 1969-06-03 Prototeck Inc Gas-diffusion assembly including thin hydrogen-permeable impervious foil
DE1648367A1 (de) * 1967-06-05 1971-04-15 Varian Mat Gmbh Diffusionsmembran-Anordnung,insbesondere fuer Lecksuchroehren
GB1292025A (en) * 1968-10-18 1972-10-11 Johnson Matthey Co Ltd Improvements in or relating to the separation of hydrogen from gaseous mixtures containing hydrogen
US3754975A (en) * 1971-06-28 1973-08-28 Ransburg Electro Coating Corp Deposition materials and method
DE2559332C3 (de) * 1975-12-31 1981-04-09 Berthold 5439 Elsoff Schilling Membrane
DE2629719A1 (de) * 1976-07-02 1978-01-05 Krupp Gmbh Filter fuer die membrantrenntechnik
JPS5343153A (en) * 1976-09-30 1978-04-19 Masayasu Negishi Heat engine
JPS55127124A (en) * 1979-03-22 1980-10-01 Mitsubishi Rayon Co Ltd Hydrogen permeable combined filter and hydrogen gas separator
US4391615A (en) * 1979-07-11 1983-07-05 Kernforschungsanlage Julich Gmbh Method for filtering atomic or molecular contaminants from a gas
DE3121125C2 (de) * 1981-05-27 1986-04-10 Kernforschungsanlage Jülich GmbH, 5170 Jülich Verfahren zum Abtrennen von Wasserstoff und/oder Deuterium und Tritium aus einem Inertgasstrom sowie Vorrichtung zur Durchführung des Verfahrens im Kühlgaskreislauf eines gasgekühlten Kernreaktors

Also Published As

Publication number Publication date
DE3483677D1 (de) 1991-01-10
US4589891A (en) 1986-05-20
EP0141176A3 (en) 1988-04-27
DE3332346A1 (de) 1985-04-04
JPS6097025A (ja) 1985-05-30
EP0141176B1 (de) 1990-11-28
EP0141176A2 (de) 1985-05-15
GR80169B (en) 1984-12-19

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